Why trade an O(2N) solution for an O(N)+O(N log N)* one?

*At best

Examine what is said, not who speaks.
"Efficiency is intelligent laziness." -David Dunham
"Think for yourself!" - Abigail
"Memory, processor, disk in that order on the hardware side. Algorithm, algorithm, algorithm on the code side." - tachyon

In reply to Re^2: Strategy for randomizing large files via sysseek by BrowserUk
in thread Strategy for randomizing large files via sysseek by Anonymous Monk

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